diff options
Diffstat (limited to 'src/backend/utils/adt/tsquery.c')
-rw-r--r-- | src/backend/utils/adt/tsquery.c | 81 |
1 files changed, 23 insertions, 58 deletions
diff --git a/src/backend/utils/adt/tsquery.c b/src/backend/utils/adt/tsquery.c index fe4470174f5..b2ca0d2f8a2 100644 --- a/src/backend/utils/adt/tsquery.c +++ b/src/backend/utils/adt/tsquery.c @@ -77,7 +77,6 @@ struct TSQueryParserStateData char *buf; /* current scan point */ int count; /* nesting count, incremented by (, * decremented by ) */ - bool in_quotes; /* phrase in quotes "" */ ts_parserstate state; /* polish (prefix) notation in list, filled in by push* functions */ @@ -235,9 +234,6 @@ parse_or_operator(TSQueryParserState pstate) { char *ptr = pstate->buf; - if (pstate->in_quotes) - return false; - /* it should begin with "OR" literal */ if (pg_strncasecmp(ptr, "or", 2) != 0) return false; @@ -398,38 +394,29 @@ gettoken_query_websearch(TSQueryParserState state, int8 *operator, state->buf++; state->state = WAITOPERAND; - if (state->in_quotes) - continue; - *operator = OP_NOT; return PT_OPR; } else if (t_iseq(state->buf, '"')) { + /* Everything in quotes is processed as a single token */ + + /* skip opening quote */ state->buf++; + *strval = state->buf; - if (!state->in_quotes) - { - state->state = WAITOPERAND; + /* iterate to the closing quote or end of the string */ + while (*state->buf != '\0' && !t_iseq(state->buf, '"')) + state->buf++; + *lenval = state->buf - *strval; - if (strchr(state->buf, '"')) - { - /* quoted text should be ordered <-> */ - state->in_quotes = true; - return PT_OPEN; - } + /* skip closing quote if not end of the string */ + if (*state->buf != '\0') + state->buf++; - /* web search tolerates missing quotes */ - continue; - } - else - { - /* we have to provide an operand */ - state->in_quotes = false; - state->state = WAITOPERATOR; - pushStop(state); - return PT_CLOSE; - } + state->state = WAITOPERATOR; + state->count++; + return PT_VAL; } else if (ISOPERATOR(state->buf)) { @@ -467,24 +454,13 @@ gettoken_query_websearch(TSQueryParserState state, int8 *operator, case WAITOPERATOR: if (t_iseq(state->buf, '"')) { - if (!state->in_quotes) - { - /* - * put implicit AND after an operand and handle this - * quote in WAITOPERAND - */ - state->state = WAITOPERAND; - *operator = OP_AND; - return PT_OPR; - } - else - { - state->buf++; - - /* just close quotes */ - state->in_quotes = false; - return PT_CLOSE; - } + /* + * put implicit AND after an operand and handle this quote + * in WAITOPERAND + */ + state->state = WAITOPERAND; + *operator = OP_AND; + return PT_OPR; } else if (parse_or_operator(state)) { @@ -498,18 +474,8 @@ gettoken_query_websearch(TSQueryParserState state, int8 *operator, } else if (!t_isspace(state->buf)) { - if (state->in_quotes) - { - /* put implicit <-> after an operand */ - *operator = OP_PHRASE; - *weight = 1; - } - else - { - /* put implicit AND after an operand */ - *operator = OP_AND; - } - + /* put implicit AND after an operand */ + *operator = OP_AND; state->state = WAITOPERAND; return PT_OPR; } @@ -846,7 +812,6 @@ parse_tsquery(char *buf, state.buffer = buf; state.buf = buf; state.count = 0; - state.in_quotes = false; state.state = WAITFIRSTOPERAND; state.polstr = NIL; |